Door or window openings to a hoistway or shaftway from the interior of the building shall be plainly marked with the word SHAFTWAY in red letters not less than 6 inches (152 mm) high on a white background. Such warning signs shall be placed so as to be readily discernible.
Exception: Marking shall not be required on shaftway openings that are readily discernible as openings onto a shaftway by the construction or arrangement.
Wires, cables, ropes, antennas, or other suspended obstructions installed on the roof of a building having a roof slope of less than 30 degrees (0.52 rad) shall not create an obstruction that is less than 7 feet (2133 mm) high above the surface of the roof.
- Such obstruction shall be permitted where the wire, cable, rope, antenna or suspended obstruction is encased in a white, 2-inch (51 mm) minimum diameter plastic pipe or an approved equivalent.
- Such obstruction shall be permitted where there is a solid obstruction below such that accidentally walking into the wire, cable, rope, antenna or suspended obstruction is not possible.
[California Code of Regulations, Title 19, Division 1, §3.05(b)] Fire Department Access and Egress. (Roofs).
- Guy wires, rods, aerial or antenna masts may be attached to a roof structure having a slope of less than 30 degrees provided there is full clearance of 7 feet (2134 mm) or more between the roof and said obstruction.
- Guy wires or rods required to support aerial or antenna masts may be attached to a roof structure a lateral distance from the mast not in excess of one-sixth the height of the mast.
- Metal bars, grilles, grates, or similar products manufactured to restrict entry through windows or exterior doors may be installed in accordance with Chapter 9 of the LAMC (Building Code).
- Buildings located within 8 feet (2438 mm) of utility poles or similar structures which could otherwise be used to gain access to the building’s roof, balcony or similar surfaces. Such obstruction may extend to where the surfaces are more than 8 feet (2438 mm) from the pole or access structure but shall extend no farther.
Structures shall not be constructed within the utility easement beneath high-voltage transmission lines.
Exception: Restrooms and unoccupied telecommunication structures of noncombustible construction less than 15 feet (4572 mm) in height.
Outdoor storage within the utility easement underneath high-voltage transmission lines shall be limited to noncombustible material. Storage of hazardous materials including, but not limited to, flammable and combustible liquids is prohibited.
Exception: Combustible storage, including vehicles and fuel storage for backup power equipment serving public utility equipment, is allowed, provided that a plan indicating the storage configuration is submitted and approved.